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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009053590979 2,028 digits created 2026-08-07

Value

447554257249744072904214279530773725776640866561344406183704357931527338627255778123423380497351488236638190585240065937320849885815052443739864787247259504282568287298055675312004222102603871657316192966196748710379082615327290481321097700594490611979666643287044867305128606523207847194310474441434945163305966461054364627603292498311379005394222198166847453836479235051115555120915316340010420680663808496190386545335888921238722069368683914725475657008035059506106436638834481524931606469667639865342517938186282831131721687400815743416272048110561828598461528791125511204668594047645661546138299104287559582727684921228480046053909072581833523821217524085071525394613545249078806569278819517869664629432448517858403623170422000375851490725621017122497874778229018511019787001200536707083828816597864387495004255461626399853067731350119630167862588023048589271139314508359922914467923071173832842545017469436293799029525468973468407131946509924481884377484408965460230328306933323981357007218353877974994974138075714212410319742240094502022604305190744208767227371823042745569538601315517907987170187365325560806137870729071405328533390683983144922816677652508857825093222846940725147225220385497641386156216724214945259646372296054977109571289186514589787356165202060045939746436711024569338352790929316472018729188513282886737850191720708521126883282319948428968698033890604683172618166368938061644123516124330101003715965023185024111827758473372932387162589934974411275879553791741142626733296444716734677693580737724799799377463463980769303028270178436672653347715972546127402325539894494890285329364564996872456984231566108306045702258149512138731326482928711240106622229122881850174055931699666574648862649264281536776250533236353886016070131008096369377688573876133873203338744277581849385018934943653336554681517156107700367863273170722129743836685904770654197435965111585703922215460794778913327445842773581384490605477972767712987336414034585191363927238971165649902114989154872468636461644439256826807167472653053
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,203-digit prime (166 intermediate primes).

Certified number2,203-digit prime
Certificatedownload
Certificate chainshow step 14 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053590979 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009053590979},"decimal":true,"detail":2}}'